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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
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The machines running it are not uber-powerful and try running it with multiple numbers.
Does Python not give recognisable messages for plain time-outs?
Sometimes it is, unfortunately. Try again later.
That said, at the moment I have no problems, so if you're passing tests locally, do make sure you're returning results on here and not just printing them to the console.
Most likely your code is not effficient enough.
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